New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)

The finding of Pomphorhynchus sphaericus in new localities from La Plata River allowed the reevaluation of the species using a taxonomic integrative approach. The newly found specimens in Pimelodus maculatus from Samborombon Bay differ from P. sphaericus by the roots of hooks 1-6 which not form a wi...

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Autores principales: Montes, Martín Miguel, Arredondo, Nathalia J., Marcotegui, Paula Soledad, Ferrari, Walter Antonio Oscar, Solari, Agustín, Martorelli, Sergio Roberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2021
Materias:
Ciencias Exactas
Biología
Pomphorhynchus
Acanthocephalan
Argentina
Brackish waters
Pimelodus
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/138741
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-138741
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Biología
Pomphorhynchus
Acanthocephalan
Argentina
Brackish waters
Pimelodus
spellingShingle Ciencias Exactas
Biología
Pomphorhynchus
Acanthocephalan
Argentina
Brackish waters
Pimelodus
Montes, Martín Miguel
Arredondo, Nathalia J.
Marcotegui, Paula Soledad
Ferrari, Walter Antonio Oscar
Solari, Agustín
Martorelli, Sergio Roberto
New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)
topic_facet Ciencias Exactas
Biología
Pomphorhynchus
Acanthocephalan
Argentina
Brackish waters
Pimelodus
description The finding of Pomphorhynchus sphaericus in new localities from La Plata River allowed the reevaluation of the species using a taxonomic integrative approach. The newly found specimens in Pimelodus maculatus from Samborombon Bay differ from P. sphaericus by the roots of hooks 1-6 which not form a wide sheet split into 2 apophysis, the slender, separated and equatorial testicles, the position of the cement glands, the shape of the proboscis, the shape and length of lemnisci, and the eggs size. Despite the notorious observed morphological differences, the COI mtDNA analysis confirmed that Pomphorhynchus individuals are the same conspecific, and showed that there is a high phenotypical plasticity in this species. Pomphorhynchus sphaericus is the first South American species analyzed to a DNA level (COI mtDNA, ITS, and 18S rDNA genes). The molecular analysis relates P. sphaericus to P. bulbocolli and P. purhepechus.
format Articulo
Articulo
author Montes, Martín Miguel
Arredondo, Nathalia J.
Marcotegui, Paula Soledad
Ferrari, Walter Antonio Oscar
Solari, Agustín
Martorelli, Sergio Roberto
author_facet Montes, Martín Miguel
Arredondo, Nathalia J.
Marcotegui, Paula Soledad
Ferrari, Walter Antonio Oscar
Solari, Agustín
Martorelli, Sergio Roberto
author_sort Montes, Martín Miguel
title New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)
title_short New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)
title_full New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)
title_fullStr New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)
title_full_unstemmed New insights on Pomphorhynchus sphaericus Gil de Pertierra, Spatz et Doma, 1996 (Acanthocephala: Pomphorhynchidae)
title_sort new insights on pomphorhynchus sphaericus gil de pertierra, spatz et doma, 1996 (acanthocephala: pomphorhynchidae)
publishDate 2021
url http://sedici.unlp.edu.ar/handle/10915/138741
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